B. henselae IgG & IgM (Cat Scratch Disease) (Blood)

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Virology

Delphic Registration Code (Alpha Code)

CASC

Test Code (Numeric Code)

8422

Laboratory Handling

Phlebotomy

Serum

Transport

Ambient (8 - 24 °C) within 48 hours; Chilled (4 - 8 °C) if longer than 48 hours

Registration

CASC

Sample Stability

Up to 48 hours: 8 - 24 °C; Up to 14 days: 4 - 8 °C; Up to 6 months: -30 °C; Indefinite at - 80 °C

Synonyms

Cat-scratch disease
Bartonella henselae

Turnaround Time

2 weeks

Tests performed every 1 - 2 weeks.

Specimen Type

  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Acceptable
  • Plain(Microtainer)
  • SST(Microtainer)
  • Plain (Red Top)
Preferred Sample Volume (ml)

3.5

Minimum Sample Volume (ml)

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Acceptable
  • Plain(Microtainer)
  • SST(Microtainer)
  • Plain (Red Top)
Minimum Sample Volume (ml)

1

Pre-testing Requirements

Paired sera should be obtained wherever possible:

(a) acute sample - as early as possible in the illness, and
(b) convalescent sample 2 - 3 weeks after onset.

Additional Specimen Information

Paediatric Specimen: 2 mL clotted blood or 1 mL serum

Last updated: 13/05/2026